<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="/static/css/bootstrap.css" />
<body>
<form action="signin" method="post" class="from">
    <p>email:<input type="text" name="email" class="form-control"/></p>
    <p>password:<input type="password" name="password" class="form-control"/></p>
    <p><button type="submit" class="btn btn-default">登录</button></p>
</form>
</body>
</html>